On 2007-10-25, piterengel <pslaviero@[EMAIL PROTECTED]
> wrote:
> On 25 Ott, 13:06, piterengel <pslavi...@[EMAIL PROTECTED]
> wrote:
>> On 25 Ott, 01:50, dan.c.qu...@[EMAIL PROTECTED]
wrote:
>>
>> > > "Richard Knoppow" wrote:
>>
>> > > ... but lith film remains because it is used
>> > > in a number of alternative photographic processes
>> > > and for special effects such as masking.
>> > > Richard Knoppow Los Angeles, CA, USA
>>
>> > Check your local printing supply outlets or visit via the WWW
>> > Valley Litho, a Mid West mail order supplier of a vast selection
>> > of press room supplies including a large selection of lith - half
>> > tone process films and developers.
>> > Should add, also a somewhat unique assortment of film,
>> > paper, and darkroom supplies. Dan
>>
>> Well, after all these answers I want to try to use ID-13 and Kodak
>> D-85, for 2-3 mins with fils.
>> I have a matter with sodium bisulphite, ttah appears in D-85 formula.
>> I've not this substance available, can I replace it with somenthing
>> else? Is it really necessary?
>> Thanks, I'll let you know the results of my tests.
>> P.
>
> This is a self-answer! I've found that sodium sulphite can be used
> instead of bisulphite. Considering the small amount in D-85 and making
> the conversion using molecular weights I think to try this way.
I do not know how critical pH is in this solution, but if it matters,
sodium bisulphite is more acid than sodium sulphite.
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